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EFFECT OF FLAT SPEED OF CARDING MACHINE ON QUALITY OF CARD SLIVER AND YARN

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Author(s): A. Subrata Kumar Saha | B. Jamal Hossen | C. Chowdhury Jony Moin

Journal: Annals of the University of Oradea. Fascicle of Textiles, Leatherwork
ISSN 1843-813X

Volume: XII;
Issue: 2;
Start page: 172;
Date: 2011;
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Keywords: Neps | blowroom | flat | cylinder | impurities

ABSTRACT
Carding is the first and only machine (in card process) which can eliminate neps, seed coat neps and the remaining impurities which cannot be eliminated by blowroom section. In case of carding machine the higher the production rate, the more sensitive the carding operation and the greater danger of negative influence onquality. So the optimization of speed is the prime factor today [1]. Excessive higher speed can lead to fiberdamage and higher neps generation which will downgrade the final product. Again lower speed will reduce production rate which is not acceptable. So we need to find out the optimum speed which results best for both production rate and quality. In carding machine actual carding action takes place between the cylinder and flats[1]. Generally the high production cards process higher flat speed. The speed of flats affect the carding process and quality of final yarn and in practice the flat is optimized.
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